722 结果为 '电极丝'
950100045
高性能黄铜涂层带有特殊锌合金的电线-Gamma扩散
950100046
950100047
950100049
950100050
950100051
950003000
带锌扩散的铜芯涂层电线
950003001
950003002
950003003
950208033
带双伽玛的黄铜涂层线 - β锌扩散
950208034